Before anesthesia, it is necessary to prepare the mother-to-be in all aspects according to the situation, with the overall aim of improving maternal tolerance to anesthesia and safety, ensuring that the surgery can be performed smoothly and recovery after surgery can be faster. 1. Estimation of surgical risks Surgery is both a therapeutic measure and a traumatic process. Therefore, a fuller assessment of the risks of anesthesia should be made before surgery to ensure the safety of the operation. 2.Psychological preparation Almost all mothers-to-be and their families will experience significant psychological changes before surgery. This is because to take obstetric surgery is often due to the maternal situation is urgent, painful, complications, resulting in the patient’s strong feelings about life and death, fear and anxiety. According to the survey, 60% of the patients had doubts about the operation before the operation; more than 50% were very afraid of the operation; 31%-38% were worried that the operation would damage their health or endanger their lives; 17% were afraid of anesthesia; 12% were concerned about the pain and vomiting after the operation, which were unbearable. The most common psychological reaction of mothers-to-be before surgery is anxiety caused by fear. As the operation period approaches, the psychological burden of the mother-to-be increases, resulting in the complex psychological changes of hoping for an early operation and attempting to give up the operation. Mild preoperative anxiety reflects the normal psychological adaptability of the mother-to-be, while severe anxiety is detrimental to the surgery and its healing. Therefore, a comprehensive understanding, correct guidance and timely correction of these abnormal psychological changes should be made to help alleviate the anxiety of the mother-to-be and enhance her confidence in welcoming the new life normally. 3.Organic preparation Good preoperative preparation is an important condition to improve the tolerance of the mother-to-be to the operation and reduce postoperative complications. The main organic preparations are: correction of anemia and bleeding tendency; maintenance of water, electrolyte and acid-base balance; improvement of nutritional status and hypoproteinemia; active management of complications.